These handsets are specifically designed for rugged production
environments. These shock and scratch—proof phones with back—lit
keypads, large displays and enhanced liquid and dust protection are
designed to enable users to quickly make and receive phone calls
(including Caller ID), take advantage of hold, conferencing and messaging
and get efficient access to additional Avaya Aura® Communication
Manager capabilities.
Communications takes place over a dedicated, encrypted wireless
network. Batteries support up to 18 hours of talk time and up to 150 hours
of standby time (10 / 90 hours on the 3745 & 3749)

• Operate in an assigned frequency band
• High security and excellent voice quality
• Liquid—and dust—protected and shock—proof
• Long range and battery life (up to 18 hours talk time)
• IP DECT and ISDN DECT network compatibility
• Rich selection of accessories

Specifications

Display

128 x 160 px Black & White LCD with
White LED Back-Light 3745, 3749:
128 x 160 px 64K Color LCD with
White LED Back-Light

Durability

Liquid and Dust Protected (IP 65),
Drop Tested (IEC 68-2-32, Procedure 1,
Dropped 12 Times from 2.0 m) Headset Connector Bluetooth 2.0, Hands-Free Profile
(3745 & 3749 only)

Wired Headset Connector Preserves
Liquid and Dust Protection

Speech Time 

18 Hours
3745, 3749: 10 Hours w / o Bluetooth,
12 Hours with Bluetooth
Standby Time 150 Hours
3745, 3749: 90 Hours (with Bluetooth
enabled but not connected)

Speaker phone

Full Duplex Loud Speaking Function
on 3745 Half Duplex Loud Speaking
Function on 3749

System Compatibility

Avaya Aura®
Avaya IP OfficeTM
Avaya Approved Third Party Platforms

Dimensions

143 x 59 x 29 mm

Weight

180g